Three kinds of high temperature warning signals of meteorological station

The high temperature warning of the Central Meteorological Observatory is issued according to the following standards:

(1) orange warning: in the past 48 hours, the highest temperature in most areas of two or more provinces (autonomous regions and municipalities) reached 37℃ and above, and high temperature weather of 40℃ and above occurred in some areas. It is estimated that in the next 48 hours, the highest temperature will continue to appear in the above areas, and the high temperature weather in some areas can reach 40 C and above.

(2) Yellow warning: In the past 48 hours, the highest temperature in most areas of two or more provinces (autonomous regions and municipalities) continued to reach 37℃ and above, and it is expected that high temperature weather of 37℃ and above will continue to appear in the above areas in the next 48 hours.

(3) Blue warning: It is estimated that in the next 48 hours, the highest temperature in most areas of four or more provinces (autonomous regions and municipalities) will be 35℃ or above, and there will be patch high temperature weather reaching 37℃ or above; Or it has already appeared and may continue.